package org.csmzxy.class2334;

public class Example03 {
    public static void main (String[] args){
        int i=20;
        long l=i;
        float f=i;
        double d=f;
        System.out.println("long类型变量l："+l);
        System.out.println("float类型变量f："+f);
        System.out.println("double类型变量d："+d);
    }
}
